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Refundable Deposit from Customers for Systems Leasing | 6 Months Ended
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Jun. 30, 2018
Refundable Deposit from Customers for Systems Leasing [Abstract] |
REFUNDABLE DEPOSIT FROM CUSTOMERS FOR SYSTEMS LEASING | 13. REFUNDABLE DEPOSIT FROM CUSTOMERS FOR SYSTEMS LEASING As of June 30, 2018 and December 31, 2017, the balance of refundable deposit from customers for systems leasing for Pucheng and Shengqiu was $1,073,059 and $1,086,591, respectively.

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- Definition The entire disclosure for refundable deposit from customers for systems leasing. + References No definition available. + Details
Name: | creg_RefundableDepositFromCustomersForSystemsLeasingTextBlock
Namespace Prefix: | creg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration